从多个视图中自动重建分段平面模型

C. Baillard, Andrew Zisserman
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引用次数: 226

摘要

提出了一种从多幅场景图像中自动重建三维平面人脸的新方法。该方法的新颖之处在于使用图像间的同形异构词来验证和最佳估计平面,并且在最小的初始化要求中-仅需要一条具有纹理邻居的3D线来生成平面假设。平面面可以实现线分组,也可以构建由于特征检测和匹配不可避免的缺陷而错过的部分线框。该方法允许完全自动地构建场景的分段平面模型,在任何阶段都不需要用户干预,只给出图像和相机投影矩阵作为输入。实例分析表明,该方法具有较好的鲁棒性和可靠性。
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Automatic reconstruction of piecewise planar models from multiple views
A new method is described for automatically reconstructing 3D planar faces from multiple images of a scene. The novelty of the approach lies in the use of inter-image homographies to validate and best estimate the plane, and in the minimal initialization requirements-only a single 3D line with a textured neighbourhood is required to generate a plane hypothesis. The planar facets enable line grouping and also the construction of parts of the wireframe which were missed due to the inevitable shortcomings of feature detection and matching. The method allows a piecewise planar model of a scene to be built completely automatically, with no user intervention at any stage, given only the images and camera projection matrices as input. The robustness and reliability of the method are illustrated on several examples, from both aerial and interior views.
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